Global Geology 2009, 12(2) 94-99 DOI:     ISSN: 1673-9736 CN: 22-1371/P

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Korean Peninsula
Upper Paleozoic
Pyongnam Basin
Tumangang Orogenic Belt

Late Paleozoic tectonic evolution in northern Korean Peninsula

JON Guk Pu1 , LYANG To Jun1 , LIU Yongjiang2 , KIM Sung Hyon3 and LIU Chengxian4

1. Institute of Geology, Korean Academ y of Science, Pyongyang, DPR of Korea; 2. Department of Geology, Kim Il Song University, Pyongyang, DPR of Korea; 3. College of Earth Sciences, Jilin University, Changchun 130061, China; 4. Faculty of Prospecting and Survey ing Engineering, Changchun Institute of Technology, Changchun 130021, China


Since Late Proterozoic era, the Korean Peninsula has been evolved into a state with relatively stable regions and orogenic beltswhich were developed differently each other. The Late Paleozoic (Late Carboniferous-Early Triassic) sediments are well developed in the Korean Peninsula, and called the Pyongan System. The Pyongan System from Late Carboniferous to Lower Triassic is distributed in the Pyongnan and Hyesan-Riwon Basins, and Rangrim Massif, and divided into Hongjom (C2 ) , Ripsok (C2 ) , Sadong (C2-P1 ) , Kobangsan and Rokam ( Taezhawon) ( P2-T1 ) sequences. The sediments of the Tumangang Orogenic Belt are called Tuman System which is composed of the Amgi Series, consisting of clastic formation with mafic effusive material, overlaid by the Kyeryongsan Series, consisting mainly of mafic volcano sediments. The Songsang Series which rests on the Kyeryongsan Series mainly consists of clastic formation with minor felsic effusive material. In the Tuman- gang Orogenic Belt the tectonic movement, called Tumangang Tectonic Movement, occurred in the Lower Permian-Lower Triassic.

Keywords Korean Peninsula   Upper Paleozoic   Pyongnam Basin   Tumangang Orogenic Belt  
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